I am your host,” Fallon said as he opened his monologue on NBC’s “Tonight Show” before adding: “Well, at least for tonight.”

After Stephen Colbert announced "The Late Show" was being canceled by CBS, fellow late-night hosts Jon Stewart, John Oliver, Jimmy Fallon, Seth Meyers, plus other hosts and comedians, showed up to support him.

Stephen Colbert is making headlines as The Late Show approaches its final season. In a rare show of late-night unity, Colbert welcomed Jimmy Fallon, Seth Meyers, Jon Stewart, and John Oliver on Monday night’s episode following CBS’s decision to cancel the program.